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