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