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