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