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