I decided to add a length of white LED strip underneath the layout to illuminate the panel where I connect all the track detection wires to the s88 modules. The additional light makes it much better to see when adding a new s88 detection point.
I try to bring the wire bundles in to different point on the panel and leave ports open for when I use the unused wires in a bundle. This is why some of the s88 modules still have some unused sockets.
The panel is below the control area: