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