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