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