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