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