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