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