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