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