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