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