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