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