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