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