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