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