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)(15,21)(16,23)(19,24)(20,25)(29,30)(31,35)(32,39)(33,36)(34,37)(38,42)(40,43)(41,44) involution — undirected(6,8)(7,12)(14,18)(19,24)(20,25)(26,28)(29,31,34,32)(30,35,37,39)(33,40,41,38)(36,43,44,42)(6,8)(10,11)(13,14)(15,19)(16,20)(17,18)(21,24)(22,26)(23,25)(27,28)(29,32,34,31)(30,35,37,39)(33,40,41,38)(36,42,44,43)(1,2)(3,4)(5,7)(6,10)(8,11)(9,12)(13,15,17,21)(14,19,18,24)(16,22,23,27)(20,26,25,28)(29,30)(31,35)(32,39)(33,36)(34,37)(38,42)(40,43)(41,44)(5,8,9,6)(7,11,12,10)(13,16)(14,20)(15,22)(17,23)(18,25)(19,26)(21,27)(24,28)(29,33,34,41)(30,36,37,44)(31,38,32,40)(35,42,39,43)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.