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