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