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)(19,23)(20,24)(21,22)(25,27)(26,31)(28,30)(29,32)(34,39)(35,42)(41,46)(43,48)(2,4)(7,9)(8,12)(14,15)(17,19,22,25)(18,23,21,27)(20,26,28,29)(24,31,30,32)(33,34,38,39)(35,40,42,36)(37,41,45,46)(43,47,48,44)(2,4)(3,10)(5,13)(14,15)(18,21)(19,25)(20,28)(31,32)(35,42)(36,40)(37,45)(41,46) involution — undirected(1,3)(2,7)(4,9)(5,11)(6,10)(8,14)(12,15)(13,16)(17,20)(18,24)(19,26)(21,30)(22,28)(23,31)(25,29)(27,32)(33,35,38,42)(34,40,39,36)(37,43,45,48)(41,47,46,44)(1,4,6,2)(3,7,10,9)(5,12,13,8)(11,14,16,15)(17,19)(18,23)(20,29)(21,27)(22,25)(24,32)(26,28)(30,31)(33,36,38,40)(34,35,39,42)(37,44,45,47)(41,43,46,48)(1,5)(2,8)(3,11)(4,12)(6,13)(7,14)(9,15)(10,16)(17,21,22,18)(19,27,25,23)(20,30,28,24)(26,32,29,31)(33,37,38,45)(34,41,39,46)(35,43,42,48)(36,44,40,47)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.