I wrote https://medium.com/inbrowserai/simple-diagrams-of-convoluted-neural-networks-39c097d2925b (I post is as text, as I just discovered that this sub shadowbans Medium).
If you know any particularly good (or bad!) visualizations, I encourage you to share it here!
Also, if you have a clear vision for an automatic tool for creating publication-ready diagrams, I am share it with us (can be “TensorBoard + …”). That is – what is important yo you that is missing in the existing tools?