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