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