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