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