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