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