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