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