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