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