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