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