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