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