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