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