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)(17,18,22,20)(19,23,25,26)(21,24,30,28)(27,31,29,32)(33,34,39,42)(35,43,45,38)(36,40,37,41)(44,48,47,46)(3,9)(6,13)(10,15)(14,16)(19,25)(23,26)(27,29)(31,32)(33,35)(34,38)(36,44)(37,47)(39,45)(40,46)(41,48)(42,43) involution — undirected(1,2,5,8)(3,6,9,13)(4,7,12,11)(10,14,15,16)(17,19)(18,23)(20,26)(21,27)(22,25)(24,31)(28,32)(29,30)(33,36,39,37)(34,40,42,41)(35,44,45,47)(38,46,43,48)(1,2)(3,6)(4,7)(5,8)(9,13)(10,14)(11,12)(15,16)(17,20,22,18)(19,26,25,23)(21,28,30,24)(27,32,29,31)(33,34)(35,38)(36,40)(37,41)(39,42)(43,45)(44,46)(47,48)(1,3)(2,6)(4,10)(5,9)(7,14)(8,13)(11,16)(12,15)(17,19)(18,23)(20,26)(21,29)(22,25)(24,32)(27,30)(28,31)(33,37,39,36)(34,41,42,40)(35,44,45,47)(38,46,43,48)(1,4,5,12)(2,7,8,11)(3,10,9,15)(6,14,13,16)(17,21)(18,24)(19,27)(20,28)(22,30)(23,31)(25,29)(26,32)(33,38)(34,35)(36,46)(37,48)(39,43)(40,44)(41,47)(42,45)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.