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