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