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