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