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