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