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