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