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