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