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