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