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