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