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