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