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