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