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