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