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