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