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