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