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