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