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