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