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