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