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