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