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