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