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