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