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