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