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