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