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