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