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