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