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