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