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