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