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