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)(19,24,20,23)(21,25,30,29)(27,32,28,31)(33,34,39,38)(35,43,44,40)(36,45,47,41)(37,42,46,48)(2,7)(3,10)(9,12)(11,16)(17,18)(19,23)(20,24)(21,25)(22,26)(27,31)(28,32)(29,30)(33,35,39,44)(34,40,38,43)(36,46,47,37)(41,48,45,42)(1,3)(2,8)(4,11)(5,7)(6,10)(9,15)(12,13)(14,16)(17,19,22,20)(18,23,26,24)(21,27,30,28)(25,31,29,32)(33,34,39,38)(35,40,44,43)(36,41,47,45)(37,42,46,48)(1,3)(2,8)(4,11)(5,7)(6,10)(9,15)(12,13)(14,16)(17,18)(19,23)(20,24)(21,29)(22,26)(25,30)(27,32)(28,31)(33,36)(34,41)(35,37)(38,45)(39,47)(40,42)(43,48)(44,46) involution — undirected(1,4,6,14)(2,9,7,12)(3,11,10,16)(5,13,8,15)(17,20,22,19)(18,24,26,23)(21,27,30,28)(25,31,29,32)(33,37)(34,42)(35,36)(38,48)(39,46)(40,41)(43,45)(44,47)(1,5,6,8)(2,3,7,10)(4,13,14,15)(9,11,12,16)(17,21,22,30)(18,25,26,29)(19,27,20,28)(23,31,24,32)(33,38,39,34)(35,43,44,40)(36,41,47,45)(37,42,46,48)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.