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