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