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