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