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