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