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