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