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