One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8,6,9,4,13)(3,7,12,15,10,14,11,16)(17,18)(19,29,32,44)(20,25)(21,26)(22,36,38,27)(23,28)(24,31)(30,45,34,48)(33,43,35,41)(37,40)(39,46)(42,47)(1,3)(2,7)(4,11)(5,12)(6,10)(8,15)(9,14)(13,16)(17,19)(18,24)(20,30)(21,34)(22,37)(23,32)(25,39)(26,42)(27,44)(28,40)(29,36)(31,38)(33,47)(35,46)(41,48)(43,45) involution — undirected(3,10)(7,14)(11,12)(15,16)(17,20,23,21)(18,25,28,26)(19,30,32,34)(22,33,38,35)(24,39,40,42)(27,41,36,43)(29,45,44,48)(31,46,37,47)(1,4,6,5)(2,8,9,13)(3,11,10,12)(7,15,14,16)(17,21,23,20)(18,26,28,25)(19,30,32,34)(22,35,38,33)(24,39,40,42)(27,43,36,41)(29,45,44,48)(31,46,37,47)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.