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