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