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