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