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