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