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