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