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