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