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