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