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