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