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