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