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