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