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