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