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