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