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