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)(21,22)(23,27)(24,32)(25,26)(28,34)(29,36)(30,31)(33,35)(6,9)(7,11)(13,14,17,18)(15,20,19,16)(22,25)(27,30)(28,32)(35,36)(6,9)(10,12)(13,15,17,19)(14,16,18,20)(21,23,26,31)(22,27,25,30)(24,33,34,29)(28,36,32,35)(1,2,3,4)(5,6)(7,12)(8,9)(10,11)(13,15)(14,16)(17,19)(18,20)(21,24,26,34)(22,28,25,32)(23,29,31,33)(27,35,30,36)(5,7)(6,10)(8,11)(9,12)(13,16)(14,19)(15,18)(17,20)(21,25,26,22)(23,30,31,27)(24,28,34,32)(29,35,33,36)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.