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