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