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