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