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