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