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