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