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)(19,29,31,25)(20,24,30,32)(21,27,22,26)(1,3,5,4)(2,6,8,7)(9,10,13,14)(11,16,12,15)(19,20)(21,22)(24,29)(25,32)(26,27)(30,31)(9,11,13,12)(10,15,14,16)(17,19,22,30,23,31,21,20)(18,24,27,25,28,32,26,29)(9,11,13,12)(10,16,14,15)(17,20,21,31,23,30,22,19)(18,25,26,24,28,29,27,32)(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.