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