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