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