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