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