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