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