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