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