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