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