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