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