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)(12,13,14,16)(17,18,23,22)(19,26,21,24)(20,25,28,29)(27,32,30,31)(33,34,39,37)(35,43,38,40)(36,42,46,41)(44,47,45,48)(1,3)(2,7)(4,12)(5,13)(6,11)(8,10)(9,14)(15,16)(17,19,23,21)(18,24,22,26)(20,27,28,30)(25,31,29,32)(33,35,39,38)(34,40,37,43)(36,44,46,45)(41,47,42,48)(3,11)(7,8)(12,14)(13,16)(20,28)(25,29)(27,30)(31,32)(33,36,39,46)(34,41,37,42)(35,44,38,45)(40,47,43,48)(1,3)(2,8)(4,14)(5,13)(6,11)(7,10)(9,12)(15,16)(17,20)(18,25)(19,27)(21,30)(22,29)(23,28)(24,31)(26,32)(33,36)(34,42)(35,44)(37,41)(38,45)(39,46)(40,48)(43,47) involution — undirected(1,4)(2,5)(3,12)(6,9)(7,13)(8,16)(10,15)(11,14)(17,21,23,19)(18,24,22,26)(20,27,28,30)(25,32,29,31)(33,37,39,34)(35,40,38,43)(36,42,46,41)(44,47,45,48)(1,5)(2,9)(3,13)(4,10)(6,15)(7,14)(8,12)(11,16)(17,22,23,18)(19,26,21,24)(20,29,28,25)(27,32,30,31)(33,38,39,35)(34,43,37,40)(36,45,46,44)(41,48,42,47)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.