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