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