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