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