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