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