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