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