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