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