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