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