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