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