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