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