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