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