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