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