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