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