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