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