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