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