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