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