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)(19,21)(20,22)(23,27)(24,28)(25,29)(26,32)(30,31)(1,3,5,13,6,4,12,15)(2,7,10,11,8,9,16,14)(17,19,22,29,24,30,23,26)(18,25,27,21,28,32,20,31)(2,8)(7,9)(10,16)(11,14)(17,20,23,28,24,27,22,18)(19,25,26,31,30,32,29,21)(1,4,5,15,6,3,12,13)(2,9,10,14,8,7,16,11)(17,21,22,32,24,31,23,25)(18,26,27,19,28,29,20,30)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.