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