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