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