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