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