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