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