The authors of the paper:

Kim J, Leahy W, Shlizerman E (2019) Neural Interactome: Interactive Simulation of a Neuronal System. Front Comput Neurosci 13:8
http://dx.doi.org/10.3389/fncom.2019.00008

made their code available from their github repository:

https://github.com/shlizee/C-elegans-Neural-Interactome