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