One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(10,13)(14,15)(17,18,23,21)(19,27,28,24)(20,25,29,30)(22,31,32,26)(1,2)(3,6)(4,5)(7,8)(17,19,23,28)(18,24,21,27)(20,26,29,31)(22,25,32,30)(9,10,12,13)(11,15,16,14)(19,28)(22,32)(24,27)(26,31)(9,11,12,16)(10,14,13,15)(17,20)(18,25)(19,26)(21,30)(22,27)(23,29)(24,32)(28,31)(1,3,4,7)(2,6,5,8)(17,21,23,18)(19,24,28,27)(20,25,29,30)(22,31,32,26)(17,22)(18,26)(19,25)(20,27)(21,31)(23,32)(24,29)(28,30) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.