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