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