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