Here are a few examples that I have found useful. All three provide different approaches for visualization. Once you have have your data flowing through pubsub channels, I would likely start with js hooks. There are many mature javascript Force-Directed Graph (3D and 2D) libs out there that you could incorporate into your app.
Examples:
Phoenix + three.js : GitHub - fly-apps/globe-request-mapper · GitHub
live link
Poeticoding paid course: realtime dashboard using JS hooks with charts libraries, etc.
