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