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)(13,14,19,24)(15,25,28,34)(16,21,31,37)(17,22,18,23)(20,32,35,27)(26,39,42,43)(29,36,30,38)(33,41,44,40)(5,7)(6,9)(8,11)(10,12)(13,15)(14,20)(16,26)(17,27)(18,32)(19,28)(21,33)(22,34)(23,25)(24,35)(29,40)(30,41)(31,42)(36,43)(37,44)(38,39) involution — undirected(2,4)(7,11)(9,12)(13,16)(14,21)(15,26)(17,29)(18,30)(19,31)(20,33)(22,36)(23,38)(24,37)(25,39)(27,40)(28,42)(32,41)(34,43)(35,44) involution — undirected(6,10)(9,12)(13,17,19,18)(14,22,24,23)(15,27,28,32)(16,29,31,30)(20,34,35,25)(21,36,37,38)(26,40,42,41)(33,43,44,39)(13,17,19,18)(14,23,24,22)(15,27,28,32)(16,30,31,29)(20,25,35,34)(21,36,37,38)(26,41,42,40)(33,43,44,39)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.