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