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