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