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