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