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