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