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)(15,24)(16,22)(17,23)(18,33)(19,34)(20,25)(21,27)(26,38)(28,36)(29,37)(30,43)(31,40)(32,39)(35,41)(42,44) involution — undirected(2,4)(5,7)(6,9)(8,11)(10,12)(13,15,19,27,20,28,17,18)(14,21,23,24,25,33,34,36)(16,26,29,41,31,42,32,30)(22,35,39,38,40,43,37,44)(6,10)(7,11)(13,16)(14,22)(15,26)(17,32)(18,30)(19,29)(20,31)(21,35)(23,39)(24,38)(25,40)(27,41)(28,42)(33,43)(34,37)(36,44) involution — undirected(1,2,3,4)(6,10)(9,12)(13,17,20,19)(14,23,25,34)(15,27,28,18)(16,29,31,32)(21,36,33,24)(22,37,40,39)(26,30,42,41)(35,38,43,44)(13,18,17,28,20,27,19,15)(14,24,34,21,25,36,23,33)(16,30,32,42,31,41,29,26)(22,38,37,35,40,44,39,43)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.