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