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