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