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