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