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