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