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