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