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