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