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