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