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