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