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