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