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)(19,27,29,23)(20,30,31,28)(21,24,32,26)(1,3,5,4)(2,6,8,7)(9,11)(10,13)(12,15)(14,16)(17,19,22,29)(18,23,25,27)(20,26,31,24)(21,30,32,28)(1,3,5,4)(2,7,8,6)(11,15)(13,16)(17,20,21,23,22,31,32,27)(18,19,26,30,25,29,24,28)(1,4,5,3)(2,6,8,7)(11,15)(13,16)(17,21,22,32)(18,24,25,26)(19,28,29,30)(20,23,31,27)(10,14)(13,16)(19,29)(20,31)(23,27)(28,30) 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.