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