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