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