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