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