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