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