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