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