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