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