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