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