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