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