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