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