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