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