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