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