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