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