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