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