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