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