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