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