A gist showing how to setup a small multiple implementation of a basic D3 force directed graph. The code also contains an example of how to read in a CSV file that contains graph edges. The JSBIN example lives here: http://jsbin.com/hinixi/2

<!DOCTYPE html>
<html>
<head>
  <style>
    .link {
  stroke: #000;
}

.node {
  stroke: #fff;
}
  </style>
<script src="https://code.jquery.com/jquery-2.1.0.min.js"></script>
  <meta charset="utf-8">
  <title>JS Bin</title>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script type="text/javascript">
  // D3 small multiples with force-directed graphs example
// with borrowed materical from this block: https://bl.ocks.org/mbostock/2949937

var width = 300;
var height = 300;

var svgOne = d3.select("#one")
      .attr("width", width)
      .attr("height", height);

var svgTwo = d3.select("#two")
      .attr("width", width)
      .attr("height", height);

// force code below

var force = d3.layout.force()
    .size([width, height]);

d3.csv("graph_edges.csv", function(error, links) {
  if (error !== null) {
    console.log(error);
  }
  else {
    console.log(links);
    
    var nodesByName = {};

// Create nodes for each unique source and target.
    links.forEach(function(link) {
      link.source = nodeByName(link.source);
      link.target = nodeByName(link.target);
    });

// Extract the array of nodes from the map by name.
    var nodes = d3.values(nodesByName);

// Create the link lines.
    var link = svgOne.selectAll(".link")
        .data(links)
      .enter().append("line")
        .attr("class", "link");

// Create the node circles.
    var node = svgOne.selectAll(".node")
        .data(nodes)
      .enter().append("circle")
        .attr("class", "node")
        .attr("r", 4.5)
        .call(force.drag);

// Start the force layout.
    force
      .nodes(nodes)
      .links(links)
      .on("tick", tick)
      .start();
    
        // Create the link lines.
    var linkTwo = svgTwo.selectAll(".link")
        .data(links)
      .enter().append("line")
        .attr("class", "link");

// Create the node circles.
    var nodeTwo = svgTwo.selectAll(".node")
        .data(nodes)
      .enter().append("circle")
        .attr("class", "node")
        .attr("r", 4.5)
        .call(force.drag);
    
    function tick() {
        link.attr("x1", function(d) { return d.source.x; })
            .attr("y1", function(d) { return d.source.y; })
            .attr("x2", function(d) { return d.target.x; })
            .attr("y2", function(d) { return d.target.y; });

node.attr("cx", function(d) { return d.x; })
            .attr("cy", function(d) { return d.y; });
      
       linkTwo.attr("x1", function(d) { return d.source.x; })
            .attr("y1", function(d) { return d.source.y; })
            .attr("x2", function(d) { return d.target.x; })
            .attr("y2", function(d) { return d.target.y; });

nodeTwo.attr("cx", function(d) { return d.x; })
            .attr("cy", function(d) { return d.y; });
    }
  
    function nodeByName(name) {
      return nodesByName[name] || (nodesByName[name] = {name: name});
    }    
    
   
    
    
  }
  
});

</script>
</head>
<body>
  <svg id="one"></svg>
  <svg id="two"></svg>
</body>
</html>

Modified http://code.jquery.com/jquery-2.1.0.min.js to a secure url

Modified http://d3js.org/d3.v3.min.js to a secure url

https://code.jquery.com/jquery-2.1.0.min.js

https://d3js.org/d3.v3.min.js