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