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