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