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