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