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