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)(19,28,26,22)(20,30,31,29)(21,25,24,32)(1,3,5,4)(2,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,19,22,18,23,26,28,27)(20,30,25,21,31,29,32,24)(1,3,5,4)(2,7,8,6)(10,13)(14,16)(17,20,28,32,23,31,22,25)(18,24,19,29,27,21,26,30)(1,3,5,4)(2,7,8,6)(9,11)(10,14)(12,15)(13,16)(17,21)(18,25)(19,20)(22,29)(23,24)(26,31)(27,32)(28,30)(1,4,5,3)(2,6,8,7)(11,15)(14,16)(20,31)(21,24)(25,32)(29,30)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.