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