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