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