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