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