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