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