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