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