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