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