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