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