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