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