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