One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6,9,12)(7,13,15,20)(8,17,14,11)(10,18,19,16)(21,22,26,30)(23,31,34,35)(24,29,25,28)(27,32,36,33)(5,7,14,18,9,15,8,16)(6,10,17,20,12,19,11,13)(23,32)(24,25)(27,35)(28,29)(31,36)(33,34)(1,2,3,4)(7,15)(10,19)(13,20)(16,18)(21,23,25,32,26,34,24,33)(22,27,29,35,30,36,28,31)(5,7,14,18,9,15,8,16)(6,10,17,20,12,19,11,13)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.