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