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