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