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