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