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