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