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