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