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