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