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