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