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