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