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