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