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