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