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