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