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