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