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