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