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