considering this example: https://communityexplorer.org/explorerjs.html?sourcemode=%22api%22&type=%22uid%22&srcparams=%224220%22 add these tools (see tools on the right of the graph, put this in the toolbar instead)

• take a screenshot (camera icon)
• save the graph GEXF format
• Edges on/off
• Zoom scale (on the right of the Graph Explorer), control the camera on the Y axis
• Center the graph