One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10)(11,15)(12,14)(13,16)(17,18,24,28)(19,21,25,20)(22,26,29,31)(23,27,32,30)(2,5)(3,7)(9,10,12,14)(11,13,16,15)(17,19,24,25)(18,20,28,21)(22,23,29,32)(26,30,31,27)(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,20,24,21)(18,25,28,19)(22,30,29,27)(23,26,32,31)(1,3)(2,6)(4,7)(5,8)(9,11,12,16)(10,13,14,15)(17,21,24,20)(18,19,28,25)(22,27,29,30)(23,31,32,26)(17,22)(18,26)(19,23)(20,30)(21,27)(24,29)(25,32)(28,31) involution — undirected(17,23)(18,27)(19,29)(20,26)(21,31)(22,25)(24,32)(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.