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