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