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