One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(7,11)(10,12)(14,19)(16,26)(17,29)(20,32)(21,27)(22,30)(23,37)(25,40)(33,36)(34,38)(35,41)(43,44) involution — undirected(6,9)(7,11)(13,14,18,22)(15,20,24,35)(16,27,26,33)(17,30,29,19)(21,31,36,28)(23,38,37,43)(25,41,40,32)(34,42,44,39)(2,4)(5,6)(7,10)(8,9)(11,12)(13,15,18,24)(14,20,22,35)(16,23,26,37)(17,25,29,40)(19,32,30,41)(21,34,36,44)(27,38,33,43)(28,39,31,42)(6,9)(10,12)(13,16,18,26)(14,21,22,36)(15,23,24,37)(17,31,29,28)(19,33,30,27)(20,34,35,44)(25,42,40,39)(32,43,41,38)(5,7,8,11)(6,10,9,12)(15,24)(20,35)(23,37)(25,40)(32,41)(34,44)(38,43)(39,42)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.