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