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