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