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