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