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