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