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