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)(11,12)(13,14)(15,16)(17,18,21,19)(20,22,24,23)(26,27)(28,32)(1,2)(3,6)(4,5)(7,8)(9,10,13,14)(11,12,15,16)(18,19)(22,23)(25,26,29,27)(28,30,32,31)(2,5)(6,7)(10,14)(12,16)(17,18,21,19)(20,23,24,22)(25,26,29,27)(28,31,32,30)(1,3,4,8)(2,6,5,7)(9,11,13,15)(10,12,14,16)(17,19,21,18)(20,23,24,22)(25,27,29,26)(28,31,32,30)(1,2)(3,6)(4,5)(7,8)(9,12)(10,15)(11,14)(13,16)(17,20)(18,22)(19,23)(21,24)(25,28)(26,30)(27,31)(29,32) 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.