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