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