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