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